Sync 3 very laggy but fine with USB stick inserted. Sync 3.0.20204 with EU2.21 maps failing installation

Ford SYNC 3 Support
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88

@Rip
@Daka
Please see this new tutorial that addresses this issue. Let me know if this needs anything.

@Daka
Follow this tutorial.
Tutorial: Sync 3.0.20204 with 2022 EU2.21 (F11) Map Installation - Ford / Guides - CyanLabs Official Community